Nodal settlement evolution in the Willamette Valley of Oregon, 1850-1900
By: Richard William Helbock.
Publisher: University Microfilms
Published: 1978
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 285
Subjects: Willamette River Valley (Or.) -- History.; Willamette River Valley (Or.) -- Description and travel.
Notes: Microfilm-xerography.

Thesis (Ph.D.)--University of Pittsburgh, 1973.

Includes bibliographical references.

Cop.2 published 1990 by U.M.I.